<template>
  <ContentWrap>
    <!-- 搜索工作栏 -->
    <el-form
      class="-mb-15px"
      :model="queryParams"
      ref="queryFormRef"
      :inline="true"
      label-width="68px"
    >
      <el-form-item label="年级" prop="grade">
        <el-select
          v-model="queryParams.grade"
          placeholder="请选择年级"
          clearable
          class="!w-240px"
        >
          <el-option
            v-for="dict in getStrDictOptions(DICT_TYPE.EXAM_GRADE)"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="学科" prop="subject">
        <el-select
          v-model="queryParams.subject"
          placeholder="请选择学科"
          clearable
          class="!w-240px"
        >
          <el-option
            v-for="dict in getStrDictOptions(DICT_TYPE.EXAM_SUBJECT)"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="来源" prop="source">
        <el-select
          v-model="queryParams.source"
          placeholder="请选择来源"
          clearable
          class="!w-240px"
        >
          <el-option label="请选择字典生成" value="" />
        </el-select>
      </el-form-item>
      <el-form-item label="题型" prop="questionType">
        <el-select
          v-model="queryParams.questionType"
          placeholder="请选择题型"
          clearable
          class="!w-240px"
        >
          <el-option label="请选择字典生成" value="" />
        </el-select>
      </el-form-item>
      <el-form-item label="答案" prop="standardAnswer">
        <el-input
          v-model="queryParams.standardAnswer"
          placeholder="请输入答案"
          clearable
          @keyup.enter="handleQuery"
          class="!w-240px"
        />
      </el-form-item>
      <el-form-item label="答案解析" prop="answerAnalysis">
        <el-input
          v-model="queryParams.answerAnalysis"
          placeholder="请输入答案解析"
          clearable
          @keyup.enter="handleQuery"
          class="!w-240px"
        />
      </el-form-item>
      <el-form-item label="评分标准" prop="scoringCriteria">
        <el-input
          v-model="queryParams.scoringCriteria"
          placeholder="请输入评分标准"
          clearable
          @keyup.enter="handleQuery"
          class="!w-240px"
        />
      </el-form-item>
      <el-form-item label="知识点" prop="knowledgePoints">
        <el-input
          v-model="queryParams.knowledgePoints"
          placeholder="请输入知识点"
          clearable
          @keyup.enter="handleQuery"
          class="!w-240px"
        />
      </el-form-item>
      <el-form-item label="难度等级(1-5)" prop="difficultyLevel">
        <el-input
          v-model="queryParams.difficultyLevel"
          placeholder="请输入难度等级(1-5)"
          clearable
          @keyup.enter="handleQuery"
          class="!w-240px"
        />
      </el-form-item>
      <el-form-item>
        <el-button @click="handleQuery"><Icon icon="ep:search" class="mr-5px" /> 搜索</el-button>
        <el-button @click="resetQuery"><Icon icon="ep:refresh" class="mr-5px" /> 重置</el-button>
        <el-button
          type="primary"
          plain
          @click="openForm('create')"
          v-hasPermi="['exam:questions:create']"
        >
          <Icon icon="ep:plus" class="mr-5px" /> 新增
        </el-button>
        <el-button
          type="success"
          plain
          @click="handleExport"
          :loading="exportLoading"
          v-hasPermi="['exam:questions:export']"
        >
          <Icon icon="ep:download" class="mr-5px" /> 导出
        </el-button>
        <el-button
            type="danger"
            plain
            :disabled="isEmpty(checkedIds)"
            @click="handleDeleteBatch"
            v-hasPermi="['exam:questions:delete']"
        >
          <Icon icon="ep:delete" class="mr-5px" /> 批量删除
        </el-button>
      </el-form-item>
    </el-form>
  </ContentWrap>

  <!-- 列表 -->
  <ContentWrap>
    <el-table
        row-key="id"
        v-loading="loading"
        :data="list"
        :stripe="true"
        :show-overflow-tooltip="true"
        @selection-change="handleRowCheckboxChange"
    >
    <el-table-column type="selection" width="55" />
      <el-table-column label="题目ID" align="center" prop="id" />
      <el-table-column label="年级" align="center" prop="grade">
        <template #default="scope">
          <dict-tag :type="DICT_TYPE.EXAM_GRADE" :value="scope.row.grade" />
        </template>
      </el-table-column>
      <el-table-column label="学科" align="center" prop="subject">
        <template #default="scope">
          <dict-tag :type="DICT_TYPE.EXAM_SUBJECT" :value="scope.row.subject" />
        </template>
      </el-table-column>
      <el-table-column label="来源" align="center" prop="source" />
      <el-table-column label="题型" align="center" prop="questionType" />
      <el-table-column label="题目" align="center" prop="questionContent" />
      <el-table-column label="答案" align="center" prop="standardAnswer" />
      <el-table-column label="答案解析" align="center" prop="answerAnalysis" />
      <el-table-column label="评分标准" align="center" prop="scoringCriteria" />
      <el-table-column label="知识点" align="center" prop="knowledgePoints" />
      <el-table-column label="难度等级(1-5)" align="center" prop="difficultyLevel" />
      <el-table-column label="操作" align="center" min-width="120px">
        <template #default="scope">
          <el-button
            link
            type="primary"
            @click="openForm('update', scope.row.id)"
            v-hasPermi="['exam:questions:update']"
          >
            编辑
          </el-button>
          <el-button
            link
            type="danger"
            @click="handleDelete(scope.row.id)"
            v-hasPermi="['exam:questions:delete']"
          >
            删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页 -->
    <Pagination
      :total="total"
      v-model:page="queryParams.pageNo"
      v-model:limit="queryParams.pageSize"
      @pagination="getList"
    />
  </ContentWrap>

  <!-- 表单弹窗：添加/修改 -->
  <QuestionsForm ref="formRef" @success="getList" />
</template>

<script setup lang="ts">
import { getStrDictOptions, DICT_TYPE } from '@/utils/dict'
import { isEmpty } from '@/utils/is'
import download from '@/utils/download'
import { QuestionsApi, Questions } from '@/api/exam/questions'
import QuestionsForm from './QuestionsForm.vue'

/** 考试题库 列表 */
defineOptions({ name: 'Questions' })

const message = useMessage() // 消息弹窗
const { t } = useI18n() // 国际化

const loading = ref(true) // 列表的加载中
const list = ref<Questions[]>([]) // 列表的数据
const total = ref(0) // 列表的总页数
const queryParams = reactive({
  pageNo: 1,
  pageSize: 10,
  grade: undefined,
  subject: undefined,
  source: undefined,
  questionType: undefined,
  questionContent: undefined,
  standardAnswer: undefined,
  answerAnalysis: undefined,
  scoringCriteria: undefined,
  knowledgePoints: undefined,
  difficultyLevel: undefined,
})
const queryFormRef = ref() // 搜索的表单
const exportLoading = ref(false) // 导出的加载中

/** 查询列表 */
const getList = async () => {
  loading.value = true
  try {
    const data = await QuestionsApi.getQuestionsPage(queryParams)
    list.value = data.list
    total.value = data.total
  } finally {
    loading.value = false
  }
}

/** 搜索按钮操作 */
const handleQuery = () => {
  queryParams.pageNo = 1
  getList()
}

/** 重置按钮操作 */
const resetQuery = () => {
  queryFormRef.value.resetFields()
  handleQuery()
}

/** 添加/修改操作 */
const formRef = ref()
const openForm = (type: string, id?: number) => {
  formRef.value.open(type, id)
}

/** 删除按钮操作 */
const handleDelete = async (id: number) => {
  try {
    // 删除的二次确认
    await message.delConfirm()
    // 发起删除
    await QuestionsApi.deleteQuestions(id)
    message.success(t('common.delSuccess'))
    // 刷新列表
    await getList()
  } catch {}
}

/** 批量删除考试题库 */
const handleDeleteBatch = async () => {
  try {
    // 删除的二次确认
    await message.delConfirm()
    await QuestionsApi.deleteQuestionsList(checkedIds.value);
    message.success(t('common.delSuccess'))
    await getList();
  } catch {}
}

const checkedIds = ref<number[]>([])
const handleRowCheckboxChange = (records: Questions[]) => {
  checkedIds.value = records.map((item) => item.id);
}

/** 导出按钮操作 */
const handleExport = async () => {
  try {
    // 导出的二次确认
    await message.exportConfirm()
    // 发起导出
    exportLoading.value = true
    const data = await QuestionsApi.exportQuestions(queryParams)
    download.excel(data, '考试题库.xls')
  } catch {
  } finally {
    exportLoading.value = false
  }
}

/** 初始化 **/
onMounted(() => {
  getList()
})
</script>